Method of fabricating a liquid crystal panel and alignment method

Abstract

A method of fabricating a liquid crystal panel is provided. First, a first substrate having a pixel array thereon is provided. Next, a sealing frame is formed on the first substrate around the pixel array. Next, a liquid crystal inkjet printing step is conducted to the region surrounded by the sealing frame to perform an alignment process. Then, the liquid crystal inkjet printing step is still performed to fill a liquid crystal material within the region surrounded by the sealing frame. Thereafter, a second substrate having an electrode layer thereon is provided. Then, the first and second substrates are assembled together through the sealing frame.

What is claimed is: 
     
         1 . A method of fabricating a liquid crystal panel, comprising:
 providing a first substrate having a pixel array thereon;   forming a sealing frame on the first substrate around the pixel array;   conducting a liquid crystal inkjet printing step to the region surrounded by the sealing frame to perform an alignment process;   still performing the liquid crystal inkjet printing step to fill a liquid crystal material into the region surrounded by the sealing frame;   providing a second substrate having an electrode layer thereon; and   assembling the first substrate and the second substrate together through the sealing frame.   
     
     
         2 . The method of fabricating a liquid crystal panel as claimed in  claim 1 , further comprising forming an alignment material on the first substrate to cover the pixel array, before conducting the liquid crystal inkjet printing step. 
     
     
         3 . The method of fabricating a liquid crystal panel as claimed in  claim 2 , wherein after forming the alignment material, an alignment process is performed to the alignment material, and then the liquid crystal inkjet printing step is performed to the alignment material. 
     
     
         4 . The method of fabricating a liquid crystal panel as claimed in  claim 1 , wherein the first substrate is a silicon wafer, and the second substrate is a glass plate. 
     
     
         5 . The method of fabricating a liquid crystal panel as claimed in  claim 1 , wherein the liquid crystal inkjet printing step comprises:
 disposing an inkjet head above the first substrate; and   moving the first substrate or the inkjet head, so that the whole region surrounded by the sealing frame achieves the alignment effect.   
     
     
         6 . The method of fabricating a liquid crystal panel as claimed in  claim 5 , wherein the inkjet head comprises a plurality of nozzles arranged in a matrix. 
     
     
         7 . The method of fabricating a liquid crystal panel as claimed in  claim 5 , wherein the angle between the inkjet head and the surface of the first substrate is 30-90 degrees. 
     
     
         8 . A method of fabricating a liquid crystal panel, comprising:
 providing a first substrate having a pixel array thereon and a second substrate having an electrode layer thereon;   forming a sealing frame on the first substrate and the second substrate around the pixel array and the electrode layer respectively;   conducting a liquid crystal inkjet printing step to the first substrate and the second substrate respectively, so as to perform an alignment process to the first substrate and the second substrate;   still performing the liquid crystal inkjet printing step to fill a liquid crystal material into the region surrounded by the sealing frame; and   assembling the first substrate and the second substrate together through the sealing frame.   
     
     
         9 . The method of fabricating a liquid crystal panel as claimed in  claim 8 , further comprising forming an alignment material on the first substrate and the second substrate to cover the pixel array and the electrode layer respectively, before conducting the liquid crystal inkjet printing step. 
     
     
         10 . The method of fabricating a liquid crystal panel as claimed in  claim 9 , wherein after forming the alignment material, an alignment process is performed to the alignment material, and then the liquid crystal inkjet printing step is performed to the alignment material. 
     
     
         11 . The method of fabricating a liquid crystal panel as claimed in  claim 9 , wherein the first substrate is a silicon wafer, and the second substrate is a glass plate. 
     
     
         12 . The method of fabricating a liquid crystal panel as claimed in  claim 9 , wherein the liquid crystal inkjet printing step comprises:
 disposing an inkjet head above the first substrate and the second substrate respectively; and   moving the first/second substrate or the inkjet head, so that the whole region surrounded by the sealing frame achieves the alignment effect.   
     
     
         13 . The method of fabricating a liquid crystal panel as claimed in  claim 12 , wherein the inkjet head comprises a plurality of nozzles arranged in a matrix. 
     
     
         14 . The method of fabricating a liquid crystal panel as claimed in  claim 12 , wherein the angle between the inkjet head and the surface of the first substrate or that of the second substrate is 30-90 degrees. 
     
     
         15 . An alignment method, comprising:
 providing a substrate having a film layer thereon; and   conducting a liquid crystal inkjet printing step to the substrate, so as to perform an alignment process to the film layer.   
     
     
         16 . The alignment method as claimed in  claim 15 , wherein the film layer is an alignment material. 
     
     
         17 . The alignment method as claimed in  claim 15 , wherein the film layer is an electrode layer or an insulating layer. 
     
     
         18 . The method of fabricating a liquid crystal panel as claimed in  claim 15 , wherein the liquid crystal inkjet printing step comprises:
 disposing an inkjet head above the substrate; and   moving the substrate or the inkjet head, so that the whole film layer achieves the alignment effect.   
     
     
         19 . The method of fabricating a liquid crystal panel as claimed in  claim 18 , wherein the inkjet head comprises a plurality of nozzles arranged in a matrix. 
     
     
         20 . The method of fabricating a liquid crystal panel as claimed in  claim 18 , wherein the angle between the inkjet head and the surface of the substrate is 30-90 degrees.